Chains and heterogens:
PDB Chain Sequences:
>1mq4A (A:) gamgskrqwaledfeigrplgkgkfgnvylarekqskfilalkvlfkaqlekagvehqlr reveiqshlrhpnilrlygyfhdatrvylileyaplgtvyrelqklskfdeqrtatyite lanalsychskrvihrdikpenlllgsagelkiadfgwsvhapssrrttlcgtldylppe miegrmhdekvdlwslgvlcyeflvgkppfeantyqetykrisrveftfpdfvtegardl isrllkhnpsqrpmlrevlehpwitansskps
>1mq4A (A:) rqwaledfeigrplgkgkfgnvylarekqskfilalkvlfkaqlekagvehqlrreveiq shlrhpnilrlygyfhdatrvylileyaplgtvyrelqklskfdeqrtatyitelanals ychskrvihrdikpenlllgsagelkiadfgwsvhapssrtlcgtldylppemiegrmhd ekvdlwslgvlcyeflvgkppfeantyqetykrisrveftfpdfvtegardlisrllkhn psqrpmlrevlehpwitanss